Thermoelectric generator utilizing automobile engine exhaust gas (optimization of heat exchanger)

摘要

Performance of a thermoelectric generator utilizing exhaust gas of a 2,000 cc class automobile engine is studied by a numerical analysis. The thermoelectric modules used are 16 of HZ-14. The optimum Fm arrangement of a rectangular offset-fm plate-fm heat exchanger for the exhaust gas is obtained. It gives the maximum effective power under the condition of the maximum continuos module temperature of 300 °C for HZ- 14. The effective power is the electrical power subtracted by mechanical power expended to overcome fluid friction.